{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0xaba006ff7b4d45a8cfa1996b6c3474e0a72600f8f7f584e7fb3774edcf73dec7",
    "signature": "0xc532765273ae631b183fe94adb279670a656a5294d2e79160b7f521f98f16dc96123dcf4a1b06823d538a66a5a484d162b3b685e19f94b348d071c01846e28e41c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}